Mercurial > hg > CbC > CbC_gcc
annotate libcpp/include/cpplib.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | b7f97abdc517 |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions for CPP library. |
| 2 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, | |
| 3 2004, 2005, 2007, 2008, 2009 | |
| 4 Free Software Foundation, Inc. | |
| 5 Written by Per Bothner, 1994-95. | |
| 6 | |
| 7 This program is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 3, or (at your option) any | |
| 10 later version. | |
| 11 | |
| 12 This program is distributed in the hope that it will be useful, | |
| 13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 GNU General Public License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with this program; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. | |
| 20 | |
| 21 In other words, you are welcome to use, share and improve this program. | |
| 22 You are forbidden to forbid anyone else to use, share and improve | |
| 23 what you give them. Help stamp out software-hoarding! */ | |
| 24 #ifndef LIBCPP_CPPLIB_H | |
| 25 #define LIBCPP_CPPLIB_H | |
| 26 | |
| 27 #include <sys/types.h> | |
| 28 #include "symtab.h" | |
| 29 #include "line-map.h" | |
| 30 | |
| 31 typedef struct cpp_reader cpp_reader; | |
| 32 typedef struct cpp_buffer cpp_buffer; | |
| 33 typedef struct cpp_options cpp_options; | |
| 34 typedef struct cpp_token cpp_token; | |
| 35 typedef struct cpp_string cpp_string; | |
| 36 typedef struct cpp_hashnode cpp_hashnode; | |
| 37 typedef struct cpp_macro cpp_macro; | |
| 38 typedef struct cpp_callbacks cpp_callbacks; | |
| 39 typedef struct cpp_dir cpp_dir; | |
| 40 | |
| 41 struct answer; | |
| 42 struct _cpp_file; | |
| 43 | |
| 44 /* The first three groups, apart from '=', can appear in preprocessor | |
| 45 expressions (+= and -= are used to indicate unary + and - resp.). | |
| 46 This allows a lookup table to be implemented in _cpp_parse_expr. | |
| 47 | |
| 48 The first group, to CPP_LAST_EQ, can be immediately followed by an | |
| 49 '='. The lexer needs operators ending in '=', like ">>=", to be in | |
| 50 the same order as their counterparts without the '=', like ">>". | |
| 51 | |
| 52 See the cpp_operator table optab in expr.c if you change the order or | |
| 53 add or remove anything in the first group. */ | |
| 54 | |
| 55 #define TTYPE_TABLE \ | |
| 56 OP(EQ, "=") \ | |
| 57 OP(NOT, "!") \ | |
| 58 OP(GREATER, ">") /* compare */ \ | |
| 59 OP(LESS, "<") \ | |
| 60 OP(PLUS, "+") /* math */ \ | |
| 61 OP(MINUS, "-") \ | |
| 62 OP(MULT, "*") \ | |
| 63 OP(DIV, "/") \ | |
| 64 OP(MOD, "%") \ | |
| 65 OP(AND, "&") /* bit ops */ \ | |
| 66 OP(OR, "|") \ | |
| 67 OP(XOR, "^") \ | |
| 68 OP(RSHIFT, ">>") \ | |
| 69 OP(LSHIFT, "<<") \ | |
| 70 \ | |
| 71 OP(COMPL, "~") \ | |
| 72 OP(AND_AND, "&&") /* logical */ \ | |
| 73 OP(OR_OR, "||") \ | |
| 74 OP(QUERY, "?") \ | |
| 75 OP(COLON, ":") \ | |
| 76 OP(COMMA, ",") /* grouping */ \ | |
| 77 OP(OPEN_PAREN, "(") \ | |
| 78 OP(CLOSE_PAREN, ")") \ | |
| 79 TK(EOF, NONE) \ | |
| 80 OP(EQ_EQ, "==") /* compare */ \ | |
| 81 OP(NOT_EQ, "!=") \ | |
| 82 OP(GREATER_EQ, ">=") \ | |
| 83 OP(LESS_EQ, "<=") \ | |
| 84 \ | |
| 85 /* These two are unary + / - in preprocessor expressions. */ \ | |
| 86 OP(PLUS_EQ, "+=") /* math */ \ | |
| 87 OP(MINUS_EQ, "-=") \ | |
| 88 \ | |
| 89 OP(MULT_EQ, "*=") \ | |
| 90 OP(DIV_EQ, "/=") \ | |
| 91 OP(MOD_EQ, "%=") \ | |
| 92 OP(AND_EQ, "&=") /* bit ops */ \ | |
| 93 OP(OR_EQ, "|=") \ | |
| 94 OP(XOR_EQ, "^=") \ | |
| 95 OP(RSHIFT_EQ, ">>=") \ | |
| 96 OP(LSHIFT_EQ, "<<=") \ | |
| 97 /* Digraphs together, beginning with CPP_FIRST_DIGRAPH. */ \ | |
| 98 OP(HASH, "#") /* digraphs */ \ | |
| 99 OP(PASTE, "##") \ | |
| 100 OP(OPEN_SQUARE, "[") \ | |
| 101 OP(CLOSE_SQUARE, "]") \ | |
| 102 OP(OPEN_BRACE, "{") \ | |
| 103 OP(CLOSE_BRACE, "}") \ | |
| 104 /* The remainder of the punctuation. Order is not significant. */ \ | |
| 105 OP(SEMICOLON, ";") /* structure */ \ | |
| 106 OP(ELLIPSIS, "...") \ | |
| 107 OP(PLUS_PLUS, "++") /* increment */ \ | |
| 108 OP(MINUS_MINUS, "--") \ | |
| 109 OP(DEREF, "->") /* accessors */ \ | |
| 110 OP(DOT, ".") \ | |
| 111 OP(SCOPE, "::") \ | |
| 112 OP(DEREF_STAR, "->*") \ | |
| 113 OP(DOT_STAR, ".*") \ | |
| 114 OP(ATSIGN, "@") /* used in Objective-C */ \ | |
| 115 \ | |
| 116 TK(NAME, IDENT) /* word */ \ | |
| 117 TK(AT_NAME, IDENT) /* @word - Objective-C */ \ | |
| 118 TK(NUMBER, LITERAL) /* 34_be+ta */ \ | |
| 119 \ | |
| 120 TK(CHAR, LITERAL) /* 'char' */ \ | |
| 121 TK(WCHAR, LITERAL) /* L'char' */ \ | |
| 122 TK(CHAR16, LITERAL) /* u'char' */ \ | |
| 123 TK(CHAR32, LITERAL) /* U'char' */ \ | |
| 124 TK(OTHER, LITERAL) /* stray punctuation */ \ | |
| 125 \ | |
| 126 TK(STRING, LITERAL) /* "string" */ \ | |
| 127 TK(WSTRING, LITERAL) /* L"string" */ \ | |
| 128 TK(STRING16, LITERAL) /* u"string" */ \ | |
| 129 TK(STRING32, LITERAL) /* U"string" */ \ | |
|
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130 TK(UTF8STRING, LITERAL) /* u8"string" */ \ |
| 0 | 131 TK(OBJC_STRING, LITERAL) /* @"string" - Objective-C */ \ |
| 132 TK(HEADER_NAME, LITERAL) /* <stdio.h> in #include */ \ | |
| 133 \ | |
| 134 TK(COMMENT, LITERAL) /* Only if output comments. */ \ | |
| 135 /* SPELL_LITERAL happens to DTRT. */ \ | |
| 136 TK(MACRO_ARG, NONE) /* Macro argument. */ \ | |
| 137 TK(PRAGMA, NONE) /* Only for deferred pragmas. */ \ | |
| 138 TK(PRAGMA_EOL, NONE) /* End-of-line for deferred pragmas. */ \ | |
| 139 TK(PADDING, NONE) /* Whitespace for -E. */ | |
| 140 | |
| 141 #define OP(e, s) CPP_ ## e, | |
| 142 #define TK(e, s) CPP_ ## e, | |
| 143 enum cpp_ttype | |
| 144 { | |
| 145 TTYPE_TABLE | |
| 146 N_TTYPES, | |
| 147 | |
| 148 /* Positions in the table. */ | |
| 149 CPP_LAST_EQ = CPP_LSHIFT, | |
| 150 CPP_FIRST_DIGRAPH = CPP_HASH, | |
| 151 CPP_LAST_PUNCTUATOR= CPP_ATSIGN, | |
| 152 CPP_LAST_CPP_OP = CPP_LESS_EQ | |
| 153 }; | |
| 154 #undef OP | |
| 155 #undef TK | |
| 156 | |
| 157 /* C language kind, used when calling cpp_create_reader. */ | |
| 158 enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_STDC89, CLK_STDC94, CLK_STDC99, | |
| 159 CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX0X, CLK_CXX0X, CLK_ASM}; | |
| 160 | |
| 161 /* Payload of a NUMBER, STRING, CHAR or COMMENT token. */ | |
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162 struct GTY(()) cpp_string { |
| 0 | 163 unsigned int len; |
| 164 const unsigned char *text; | |
| 165 }; | |
| 166 | |
| 167 /* Flags for the cpp_token structure. */ | |
| 168 #define PREV_WHITE (1 << 0) /* If whitespace before this token. */ | |
| 169 #define DIGRAPH (1 << 1) /* If it was a digraph. */ | |
| 170 #define STRINGIFY_ARG (1 << 2) /* If macro argument to be stringified. */ | |
| 171 #define PASTE_LEFT (1 << 3) /* If on LHS of a ## operator. */ | |
| 172 #define NAMED_OP (1 << 4) /* C++ named operators. */ | |
| 173 #define NO_EXPAND (1 << 5) /* Do not macro-expand this token. */ | |
| 174 #define BOL (1 << 6) /* Token at beginning of line. */ | |
| 175 #define PURE_ZERO (1 << 7) /* Single 0 digit, used by the C++ frontend, | |
| 176 set in c-lex.c. */ | |
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177 #define SP_DIGRAPH (1 << 8) /* # or ## token was a digraph. */ |
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178 #define SP_PREV_WHITE (1 << 9) /* If whitespace before a ## |
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179 operator, or before this token |
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180 after a # operator. */ |
| 0 | 181 |
| 182 /* Specify which field, if any, of the cpp_token union is used. */ | |
| 183 | |
| 184 enum cpp_token_fld_kind { | |
| 185 CPP_TOKEN_FLD_NODE, | |
| 186 CPP_TOKEN_FLD_SOURCE, | |
| 187 CPP_TOKEN_FLD_STR, | |
| 188 CPP_TOKEN_FLD_ARG_NO, | |
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189 CPP_TOKEN_FLD_TOKEN_NO, |
| 0 | 190 CPP_TOKEN_FLD_PRAGMA, |
| 191 CPP_TOKEN_FLD_NONE | |
| 192 }; | |
| 193 | |
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194 /* A macro argument in the cpp_token union. */ |
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195 struct GTY(()) cpp_macro_arg { |
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196 /* Argument number. */ |
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197 unsigned int arg_no; |
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198 }; |
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199 |
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200 /* An identifier in the cpp_token union. */ |
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201 struct GTY(()) cpp_identifier { |
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202 /* The canonical (UTF-8) spelling of the identifier. */ |
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203 cpp_hashnode * |
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204 GTY ((nested_ptr (union tree_node, |
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205 "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", |
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206 "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) |
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207 node; |
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208 }; |
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209 |
| 0 | 210 /* A preprocessing token. This has been carefully packed and should |
| 211 occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */ | |
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212 struct GTY(()) cpp_token { |
| 0 | 213 source_location src_loc; /* Location of first char of token. */ |
| 214 ENUM_BITFIELD(cpp_ttype) type : CHAR_BIT; /* token type */ | |
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215 unsigned short flags; /* flags - see above */ |
| 0 | 216 |
| 217 union cpp_token_u | |
| 218 { | |
| 219 /* An identifier. */ | |
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220 struct cpp_identifier GTY ((tag ("CPP_TOKEN_FLD_NODE"))) node; |
| 0 | 221 |
| 222 /* Inherit padding from this token. */ | |
| 223 cpp_token * GTY ((tag ("CPP_TOKEN_FLD_SOURCE"))) source; | |
| 224 | |
| 225 /* A string, or number. */ | |
| 226 struct cpp_string GTY ((tag ("CPP_TOKEN_FLD_STR"))) str; | |
| 227 | |
| 228 /* Argument no. for a CPP_MACRO_ARG. */ | |
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229 struct cpp_macro_arg GTY ((tag ("CPP_TOKEN_FLD_ARG_NO"))) macro_arg; |
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230 |
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231 /* Original token no. for a CPP_PASTE (from a sequence of |
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232 consecutive paste tokens in a macro expansion). */ |
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233 unsigned int GTY ((tag ("CPP_TOKEN_FLD_TOKEN_NO"))) token_no; |
| 0 | 234 |
| 235 /* Caller-supplied identifier for a CPP_PRAGMA. */ | |
| 236 unsigned int GTY ((tag ("CPP_TOKEN_FLD_PRAGMA"))) pragma; | |
| 237 } GTY ((desc ("cpp_token_val_index (&%1)"))) val; | |
| 238 }; | |
| 239 | |
| 240 /* Say which field is in use. */ | |
| 241 extern enum cpp_token_fld_kind cpp_token_val_index (cpp_token *tok); | |
| 242 | |
| 243 /* A type wide enough to hold any multibyte source character. | |
| 244 cpplib's character constant interpreter requires an unsigned type. | |
| 245 Also, a typedef for the signed equivalent. | |
| 246 The width of this type is capped at 32 bits; there do exist targets | |
| 247 where wchar_t is 64 bits, but only in a non-default mode, and there | |
| 248 would be no meaningful interpretation for a wchar_t value greater | |
| 249 than 2^32 anyway -- the widest wide-character encoding around is | |
| 250 ISO 10646, which stops at 2^31. */ | |
| 251 #if CHAR_BIT * SIZEOF_INT >= 32 | |
| 252 # define CPPCHAR_SIGNED_T int | |
| 253 #elif CHAR_BIT * SIZEOF_LONG >= 32 | |
| 254 # define CPPCHAR_SIGNED_T long | |
| 255 #else | |
| 256 # error "Cannot find a least-32-bit signed integer type" | |
| 257 #endif | |
| 258 typedef unsigned CPPCHAR_SIGNED_T cppchar_t; | |
| 259 typedef CPPCHAR_SIGNED_T cppchar_signed_t; | |
| 260 | |
| 261 /* Style of header dependencies to generate. */ | |
| 262 enum cpp_deps_style { DEPS_NONE = 0, DEPS_USER, DEPS_SYSTEM }; | |
| 263 | |
| 264 /* The possible normalization levels, from most restrictive to least. */ | |
| 265 enum cpp_normalize_level { | |
| 266 /* In NFKC. */ | |
| 267 normalized_KC = 0, | |
| 268 /* In NFC. */ | |
| 269 normalized_C, | |
| 270 /* In NFC, except for subsequences where being in NFC would make | |
| 271 the identifier invalid. */ | |
| 272 normalized_identifier_C, | |
| 273 /* Not normalized at all. */ | |
| 274 normalized_none | |
| 275 }; | |
| 276 | |
| 277 /* This structure is nested inside struct cpp_reader, and | |
| 278 carries all the options visible to the command line. */ | |
| 279 struct cpp_options | |
| 280 { | |
| 281 /* Characters between tab stops. */ | |
| 282 unsigned int tabstop; | |
| 283 | |
| 284 /* The language we're preprocessing. */ | |
| 285 enum c_lang lang; | |
| 286 | |
| 287 /* Nonzero means use extra default include directories for C++. */ | |
| 288 unsigned char cplusplus; | |
| 289 | |
| 290 /* Nonzero means handle cplusplus style comments. */ | |
| 291 unsigned char cplusplus_comments; | |
| 292 | |
| 293 /* Nonzero means define __OBJC__, treat @ as a special token, use | |
| 294 the OBJC[PLUS]_INCLUDE_PATH environment variable, and allow | |
| 295 "#import". */ | |
| 296 unsigned char objc; | |
| 297 | |
| 298 /* Nonzero means don't copy comments into the output file. */ | |
| 299 unsigned char discard_comments; | |
| 300 | |
| 301 /* Nonzero means don't copy comments into the output file during | |
| 302 macro expansion. */ | |
| 303 unsigned char discard_comments_in_macro_exp; | |
| 304 | |
| 305 /* Nonzero means process the ISO trigraph sequences. */ | |
| 306 unsigned char trigraphs; | |
| 307 | |
| 308 /* Nonzero means process the ISO digraph sequences. */ | |
| 309 unsigned char digraphs; | |
| 310 | |
| 311 /* Nonzero means to allow hexadecimal floats and LL suffixes. */ | |
| 312 unsigned char extended_numbers; | |
| 313 | |
| 314 /* Nonzero means process u/U prefix literals (UTF-16/32). */ | |
| 315 unsigned char uliterals; | |
| 316 | |
| 317 /* Nonzero means print names of header files (-H). */ | |
| 318 unsigned char print_include_names; | |
| 319 | |
| 320 /* Nonzero means complain about deprecated features. */ | |
| 321 unsigned char warn_deprecated; | |
| 322 | |
| 323 /* Nonzero means warn if slash-star appears in a comment. */ | |
| 324 unsigned char warn_comments; | |
| 325 | |
| 326 /* Nonzero means warn if a user-supplied include directory does not | |
| 327 exist. */ | |
| 328 unsigned char warn_missing_include_dirs; | |
| 329 | |
| 330 /* Nonzero means warn if there are any trigraphs. */ | |
| 331 unsigned char warn_trigraphs; | |
| 332 | |
| 333 /* Nonzero means warn about multicharacter charconsts. */ | |
| 334 unsigned char warn_multichar; | |
| 335 | |
| 336 /* Nonzero means warn about various incompatibilities with | |
| 337 traditional C. */ | |
| 338 unsigned char warn_traditional; | |
| 339 | |
| 340 /* Nonzero means warn about long long numeric constants. */ | |
| 341 unsigned char warn_long_long; | |
| 342 | |
| 343 /* Nonzero means warn about text after an #endif (or #else). */ | |
| 344 unsigned char warn_endif_labels; | |
| 345 | |
| 346 /* Nonzero means warn about implicit sign changes owing to integer | |
| 347 promotions. */ | |
| 348 unsigned char warn_num_sign_change; | |
| 349 | |
| 350 /* Zero means don't warn about __VA_ARGS__ usage in c89 pedantic mode. | |
| 351 Presumably the usage is protected by the appropriate #ifdef. */ | |
| 352 unsigned char warn_variadic_macros; | |
| 353 | |
| 354 /* Nonzero means warn about builtin macros that are redefined or | |
| 355 explicitly undefined. */ | |
| 356 unsigned char warn_builtin_macro_redefined; | |
| 357 | |
| 358 /* Nonzero means we should look for header.gcc files that remap file | |
| 359 names. */ | |
| 360 unsigned char remap; | |
| 361 | |
| 362 /* Zero means dollar signs are punctuation. */ | |
| 363 unsigned char dollars_in_ident; | |
| 364 | |
| 365 /* Nonzero means UCNs are accepted in identifiers. */ | |
| 366 unsigned char extended_identifiers; | |
| 367 | |
| 368 /* True if we should warn about dollars in identifiers or numbers | |
| 369 for this translation unit. */ | |
| 370 unsigned char warn_dollars; | |
| 371 | |
| 372 /* Nonzero means warn if undefined identifiers are evaluated in an #if. */ | |
| 373 unsigned char warn_undef; | |
| 374 | |
| 375 /* Nonzero means warn of unused macros from the main file. */ | |
| 376 unsigned char warn_unused_macros; | |
| 377 | |
| 378 /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */ | |
| 379 unsigned char c99; | |
| 380 | |
| 381 /* Nonzero if we are conforming to a specific C or C++ standard. */ | |
| 382 unsigned char std; | |
| 383 | |
| 384 /* Nonzero means give all the error messages the ANSI standard requires. */ | |
| 385 unsigned char pedantic; | |
| 386 | |
| 387 /* Nonzero means we're looking at already preprocessed code, so don't | |
| 388 bother trying to do macro expansion and whatnot. */ | |
| 389 unsigned char preprocessed; | |
| 390 | |
| 391 /* Print column number in error messages. */ | |
| 392 unsigned char show_column; | |
| 393 | |
| 394 /* Nonzero means handle C++ alternate operator names. */ | |
| 395 unsigned char operator_names; | |
| 396 | |
|
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397 /* Nonzero means warn about use of C++ alternate operator names. */ |
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398 unsigned char warn_cxx_operator_names; |
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399 |
| 0 | 400 /* True for traditional preprocessing. */ |
| 401 unsigned char traditional; | |
| 402 | |
| 403 /* Holds the name of the target (execution) character set. */ | |
| 404 const char *narrow_charset; | |
| 405 | |
| 406 /* Holds the name of the target wide character set. */ | |
| 407 const char *wide_charset; | |
| 408 | |
| 409 /* Holds the name of the input character set. */ | |
| 410 const char *input_charset; | |
| 411 | |
| 412 /* The minimum permitted level of normalization before a warning | |
| 413 is generated. */ | |
| 414 enum cpp_normalize_level warn_normalize; | |
| 415 | |
| 416 /* True to warn about precompiled header files we couldn't use. */ | |
| 417 bool warn_invalid_pch; | |
| 418 | |
| 419 /* True if dependencies should be restored from a precompiled header. */ | |
| 420 bool restore_pch_deps; | |
| 421 | |
| 422 /* Dependency generation. */ | |
| 423 struct | |
| 424 { | |
| 425 /* Style of header dependencies to generate. */ | |
| 426 enum cpp_deps_style style; | |
| 427 | |
| 428 /* Assume missing files are generated files. */ | |
| 429 bool missing_files; | |
| 430 | |
| 431 /* Generate phony targets for each dependency apart from the first | |
| 432 one. */ | |
| 433 bool phony_targets; | |
| 434 | |
| 435 /* If true, no dependency is generated on the main file. */ | |
| 436 bool ignore_main_file; | |
|
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437 |
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438 /* If true, intend to use the preprocessor output (e.g., for compilation) |
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439 in addition to the dependency info. */ |
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440 bool need_preprocessor_output; |
| 0 | 441 } deps; |
| 442 | |
| 443 /* Target-specific features set by the front end or client. */ | |
| 444 | |
| 445 /* Precision for target CPP arithmetic, target characters, target | |
| 446 ints and target wide characters, respectively. */ | |
| 447 size_t precision, char_precision, int_precision, wchar_precision; | |
| 448 | |
| 449 /* True means chars (wide chars) are unsigned. */ | |
| 450 bool unsigned_char, unsigned_wchar; | |
| 451 | |
| 452 /* True if the most significant byte in a word has the lowest | |
| 453 address in memory. */ | |
| 454 bool bytes_big_endian; | |
| 455 | |
| 456 /* Nonzero means __STDC__ should have the value 0 in system headers. */ | |
| 457 unsigned char stdc_0_in_system_headers; | |
| 458 | |
| 459 /* True disables tokenization outside of preprocessing directives. */ | |
| 460 bool directives_only; | |
| 461 }; | |
| 462 | |
| 463 /* Callback for header lookup for HEADER, which is the name of a | |
| 464 source file. It is used as a method of last resort to find headers | |
| 465 that are not otherwise found during the normal include processing. | |
| 466 The return value is the malloced name of a header to try and open, | |
| 467 if any, or NULL otherwise. This callback is called only if the | |
| 468 header is otherwise unfound. */ | |
| 469 typedef const char *(*missing_header_cb)(cpp_reader *, const char *header, cpp_dir **); | |
| 470 | |
| 471 /* Call backs to cpplib client. */ | |
| 472 struct cpp_callbacks | |
| 473 { | |
| 474 /* Called when a new line of preprocessed output is started. */ | |
| 475 void (*line_change) (cpp_reader *, const cpp_token *, int); | |
| 476 | |
| 477 /* Called when switching to/from a new file. | |
| 478 The line_map is for the new file. It is NULL if there is no new file. | |
| 479 (In C this happens when done with <built-in>+<command line> and also | |
| 480 when done with a main file.) This can be used for resource cleanup. */ | |
| 481 void (*file_change) (cpp_reader *, const struct line_map *); | |
| 482 | |
| 483 void (*dir_change) (cpp_reader *, const char *); | |
| 484 void (*include) (cpp_reader *, unsigned int, const unsigned char *, | |
| 485 const char *, int, const cpp_token **); | |
| 486 void (*define) (cpp_reader *, unsigned int, cpp_hashnode *); | |
| 487 void (*undef) (cpp_reader *, unsigned int, cpp_hashnode *); | |
| 488 void (*ident) (cpp_reader *, unsigned int, const cpp_string *); | |
| 489 void (*def_pragma) (cpp_reader *, unsigned int); | |
| 490 int (*valid_pch) (cpp_reader *, const char *, int); | |
| 491 void (*read_pch) (cpp_reader *, const char *, int, const char *); | |
| 492 missing_header_cb missing_header; | |
| 493 | |
| 494 /* Context-sensitive macro support. Returns macro (if any) that should | |
| 495 be expanded. */ | |
| 496 cpp_hashnode * (*macro_to_expand) (cpp_reader *, const cpp_token *); | |
| 497 | |
|
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498 /* Called to emit a diagnostic. This callback receives the |
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499 translated message. */ |
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500 bool (*error) (cpp_reader *, int, source_location, unsigned int, |
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501 const char *, va_list *) |
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502 ATTRIBUTE_FPTR_PRINTF(5,0); |
| 0 | 503 |
| 504 /* Callbacks for when a macro is expanded, or tested (whether | |
| 505 defined or not at the time) in #ifdef, #ifndef or "defined". */ | |
| 506 void (*used_define) (cpp_reader *, unsigned int, cpp_hashnode *); | |
| 507 void (*used_undef) (cpp_reader *, unsigned int, cpp_hashnode *); | |
| 508 /* Called before #define and #undef or other macro definition | |
| 509 changes are processed. */ | |
| 510 void (*before_define) (cpp_reader *); | |
|
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511 /* Called whenever a macro is expanded or tested. |
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512 Second argument is the location of the start of the current expansion. */ |
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513 void (*used) (cpp_reader *, source_location, cpp_hashnode *); |
| 0 | 514 }; |
| 515 | |
|
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516 #ifdef VMS |
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517 #define INO_T_CPP ino_t ino[3] |
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518 #else |
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519 #define INO_T_CPP ino_t ino |
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520 #endif |
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521 |
| 0 | 522 /* Chain of directories to look for include files in. */ |
| 523 struct cpp_dir | |
| 524 { | |
| 525 /* NULL-terminated singly-linked list. */ | |
| 526 struct cpp_dir *next; | |
| 527 | |
| 528 /* NAME of the directory, NUL-terminated. */ | |
| 529 char *name; | |
| 530 unsigned int len; | |
| 531 | |
| 532 /* One if a system header, two if a system header that has extern | |
| 533 "C" guards for C++. */ | |
| 534 unsigned char sysp; | |
| 535 | |
| 536 /* Is this a user-supplied directory? */ | |
| 537 bool user_supplied_p; | |
| 538 | |
| 539 /* The canonicalized NAME as determined by lrealpath. This field | |
| 540 is only used by hosts that lack reliable inode numbers. */ | |
| 541 char *canonical_name; | |
| 542 | |
| 543 /* Mapping of file names for this directory for MS-DOS and related | |
| 544 platforms. A NULL-terminated array of (from, to) pairs. */ | |
| 545 const char **name_map; | |
| 546 | |
| 547 /* Routine to construct pathname, given the search path name and the | |
| 548 HEADER we are trying to find, return a constructed pathname to | |
| 549 try and open. If this is NULL, the constructed pathname is as | |
| 550 constructed by append_file_to_dir. */ | |
| 551 char *(*construct) (const char *header, cpp_dir *dir); | |
| 552 | |
| 553 /* The C front end uses these to recognize duplicated | |
| 554 directories in the search path. */ | |
|
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555 INO_T_CPP; |
| 0 | 556 dev_t dev; |
| 557 }; | |
| 558 | |
| 559 /* The structure of a node in the hash table. The hash table has | |
| 560 entries for all identifiers: either macros defined by #define | |
| 561 commands (type NT_MACRO), assertions created with #assert | |
| 562 (NT_ASSERTION), or neither of the above (NT_VOID). Builtin macros | |
| 563 like __LINE__ are flagged NODE_BUILTIN. Poisoned identifiers are | |
| 564 flagged NODE_POISONED. NODE_OPERATOR (C++ only) indicates an | |
| 565 identifier that behaves like an operator such as "xor". | |
| 566 NODE_DIAGNOSTIC is for speed in lex_token: it indicates a | |
| 567 diagnostic may be required for this node. Currently this only | |
|
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568 applies to __VA_ARGS__, poisoned identifiers, and -Wc++-compat |
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569 warnings about NODE_OPERATOR. */ |
| 0 | 570 |
| 571 /* Hash node flags. */ | |
| 572 #define NODE_OPERATOR (1 << 0) /* C++ named operator. */ | |
| 573 #define NODE_POISONED (1 << 1) /* Poisoned identifier. */ | |
| 574 #define NODE_BUILTIN (1 << 2) /* Builtin macro. */ | |
| 575 #define NODE_DIAGNOSTIC (1 << 3) /* Possible diagnostic when lexed. */ | |
| 576 #define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */ | |
| 577 #define NODE_DISABLED (1 << 5) /* A disabled macro. */ | |
| 578 #define NODE_MACRO_ARG (1 << 6) /* Used during #define processing. */ | |
| 579 #define NODE_USED (1 << 7) /* Dumped with -dU. */ | |
| 580 #define NODE_CONDITIONAL (1 << 8) /* Conditional macro */ | |
|
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581 #define NODE_WARN_OPERATOR (1 << 9) /* Warn about C++ named operator. */ |
| 0 | 582 |
| 583 /* Different flavors of hash node. */ | |
| 584 enum node_type | |
| 585 { | |
| 586 NT_VOID = 0, /* No definition yet. */ | |
| 587 NT_MACRO, /* A macro of some form. */ | |
| 588 NT_ASSERTION /* Predicate for #assert. */ | |
| 589 }; | |
| 590 | |
| 591 /* Different flavors of builtin macro. _Pragma is an operator, but we | |
| 592 handle it with the builtin code for efficiency reasons. */ | |
|
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593 enum cpp_builtin_type |
| 0 | 594 { |
| 595 BT_SPECLINE = 0, /* `__LINE__' */ | |
| 596 BT_DATE, /* `__DATE__' */ | |
| 597 BT_FILE, /* `__FILE__' */ | |
| 598 BT_BASE_FILE, /* `__BASE_FILE__' */ | |
| 599 BT_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */ | |
| 600 BT_TIME, /* `__TIME__' */ | |
| 601 BT_STDC, /* `__STDC__' */ | |
| 602 BT_PRAGMA, /* `_Pragma' operator */ | |
| 603 BT_TIMESTAMP, /* `__TIMESTAMP__' */ | |
| 604 BT_COUNTER /* `__COUNTER__' */ | |
| 605 }; | |
| 606 | |
| 607 #define CPP_HASHNODE(HNODE) ((cpp_hashnode *) (HNODE)) | |
| 608 #define HT_NODE(NODE) ((ht_identifier *) (NODE)) | |
| 609 #define NODE_LEN(NODE) HT_LEN (&(NODE)->ident) | |
| 610 #define NODE_NAME(NODE) HT_STR (&(NODE)->ident) | |
| 611 | |
| 612 /* Specify which field, if any, of the union is used. */ | |
| 613 | |
| 614 enum { | |
| 615 NTV_MACRO, | |
| 616 NTV_ANSWER, | |
| 617 NTV_BUILTIN, | |
| 618 NTV_ARGUMENT, | |
| 619 NTV_NONE | |
| 620 }; | |
| 621 | |
| 622 #define CPP_HASHNODE_VALUE_IDX(HNODE) \ | |
| 623 ((HNODE.flags & NODE_MACRO_ARG) ? NTV_ARGUMENT \ | |
| 624 : HNODE.type == NT_MACRO ? ((HNODE.flags & NODE_BUILTIN) \ | |
| 625 ? NTV_BUILTIN : NTV_MACRO) \ | |
| 626 : HNODE.type == NT_ASSERTION ? NTV_ANSWER \ | |
| 627 : NTV_NONE) | |
| 628 | |
| 629 /* The common part of an identifier node shared amongst all 3 C front | |
| 630 ends. Also used to store CPP identifiers, which are a superset of | |
| 631 identifiers in the grammatical sense. */ | |
| 632 | |
|
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633 union GTY(()) _cpp_hashnode_value { |
| 0 | 634 /* If a macro. */ |
| 635 cpp_macro * GTY((tag ("NTV_MACRO"))) macro; | |
| 636 /* Answers to an assertion. */ | |
| 637 struct answer * GTY ((tag ("NTV_ANSWER"))) answers; | |
| 638 /* Code for a builtin macro. */ | |
|
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639 enum cpp_builtin_type GTY ((tag ("NTV_BUILTIN"))) builtin; |
| 0 | 640 /* Macro argument index. */ |
| 641 unsigned short GTY ((tag ("NTV_ARGUMENT"))) arg_index; | |
| 642 }; | |
| 643 | |
|
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644 struct GTY(()) cpp_hashnode { |
| 0 | 645 struct ht_identifier ident; |
| 646 unsigned int is_directive : 1; | |
| 647 unsigned int directive_index : 7; /* If is_directive, | |
| 648 then index into directive table. | |
| 649 Otherwise, a NODE_OPERATOR. */ | |
| 650 unsigned char rid_code; /* Rid code - for front ends. */ | |
|
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651 ENUM_BITFIELD(node_type) type : 6; /* CPP node type. */ |
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652 unsigned int flags : 10; /* CPP flags. */ |
| 0 | 653 |
| 654 union _cpp_hashnode_value GTY ((desc ("CPP_HASHNODE_VALUE_IDX (%1)"))) value; | |
| 655 }; | |
| 656 | |
| 657 /* Call this first to get a handle to pass to other functions. | |
| 658 | |
| 659 If you want cpplib to manage its own hashtable, pass in a NULL | |
| 660 pointer. Otherwise you should pass in an initialized hash table | |
| 661 that cpplib will share; this technique is used by the C front | |
| 662 ends. */ | |
| 663 extern cpp_reader *cpp_create_reader (enum c_lang, struct ht *, | |
| 664 struct line_maps *); | |
| 665 | |
| 666 /* Reset the cpp_reader's line_map. This is only used after reading a | |
| 667 PCH file. */ | |
| 668 extern void cpp_set_line_map (cpp_reader *, struct line_maps *); | |
| 669 | |
| 670 /* Call this to change the selected language standard (e.g. because of | |
| 671 command line options). */ | |
| 672 extern void cpp_set_lang (cpp_reader *, enum c_lang); | |
| 673 | |
| 674 /* Set the include paths. */ | |
| 675 extern void cpp_set_include_chains (cpp_reader *, cpp_dir *, cpp_dir *, int); | |
| 676 | |
| 677 /* Call these to get pointers to the options, callback, and deps | |
| 678 structures for a given reader. These pointers are good until you | |
| 679 call cpp_finish on that reader. You can either edit the callbacks | |
| 680 through the pointer returned from cpp_get_callbacks, or set them | |
| 681 with cpp_set_callbacks. */ | |
| 682 extern cpp_options *cpp_get_options (cpp_reader *); | |
| 683 extern cpp_callbacks *cpp_get_callbacks (cpp_reader *); | |
| 684 extern void cpp_set_callbacks (cpp_reader *, cpp_callbacks *); | |
| 685 extern struct deps *cpp_get_deps (cpp_reader *); | |
| 686 | |
| 687 /* This function reads the file, but does not start preprocessing. It | |
| 688 returns the name of the original file; this is the same as the | |
| 689 input file, except for preprocessed input. This will generate at | |
| 690 least one file change callback, and possibly a line change callback | |
| 691 too. If there was an error opening the file, it returns NULL. */ | |
| 692 extern const char *cpp_read_main_file (cpp_reader *, const char *); | |
| 693 | |
| 694 /* Set up built-ins with special behavior. Use cpp_init_builtins() | |
| 695 instead unless your know what you are doing. */ | |
| 696 extern void cpp_init_special_builtins (cpp_reader *); | |
| 697 | |
| 698 /* Set up built-ins like __FILE__. */ | |
| 699 extern void cpp_init_builtins (cpp_reader *, int); | |
| 700 | |
| 701 /* This is called after options have been parsed, and partially | |
| 702 processed. */ | |
| 703 extern void cpp_post_options (cpp_reader *); | |
| 704 | |
| 705 /* Set up translation to the target character set. */ | |
| 706 extern void cpp_init_iconv (cpp_reader *); | |
| 707 | |
| 708 /* Call this to finish preprocessing. If you requested dependency | |
| 709 generation, pass an open stream to write the information to, | |
|
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710 otherwise NULL. It is your responsibility to close the stream. */ |
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711 extern void cpp_finish (cpp_reader *, FILE *deps_stream); |
| 0 | 712 |
| 713 /* Call this to release the handle at the end of preprocessing. Any | |
|
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714 use of the handle after this function returns is invalid. */ |
| 0 | 715 extern void cpp_destroy (cpp_reader *); |
| 716 | |
| 717 extern unsigned int cpp_token_len (const cpp_token *); | |
| 718 extern unsigned char *cpp_token_as_text (cpp_reader *, const cpp_token *); | |
| 719 extern unsigned char *cpp_spell_token (cpp_reader *, const cpp_token *, | |
| 720 unsigned char *, bool); | |
| 721 extern void cpp_register_pragma (cpp_reader *, const char *, const char *, | |
| 722 void (*) (cpp_reader *), bool); | |
| 723 extern void cpp_register_deferred_pragma (cpp_reader *, const char *, | |
| 724 const char *, unsigned, bool, bool); | |
| 725 extern int cpp_avoid_paste (cpp_reader *, const cpp_token *, | |
| 726 const cpp_token *); | |
| 727 extern const cpp_token *cpp_get_token (cpp_reader *); | |
| 728 extern const cpp_token *cpp_get_token_with_location (cpp_reader *, | |
| 729 source_location *); | |
| 730 extern const unsigned char *cpp_macro_definition (cpp_reader *, | |
| 731 const cpp_hashnode *); | |
| 732 extern void _cpp_backup_tokens (cpp_reader *, unsigned int); | |
| 733 extern const cpp_token *cpp_peek_token (cpp_reader *, int); | |
| 734 | |
|
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735 /* Evaluate a CPP_*CHAR* token. */ |
| 0 | 736 extern cppchar_t cpp_interpret_charconst (cpp_reader *, const cpp_token *, |
| 737 unsigned int *, int *); | |
|
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738 /* Evaluate a vector of CPP_*STRING* tokens. */ |
| 0 | 739 extern bool cpp_interpret_string (cpp_reader *, |
| 740 const cpp_string *, size_t, | |
| 741 cpp_string *, enum cpp_ttype); | |
| 742 extern bool cpp_interpret_string_notranslate (cpp_reader *, | |
| 743 const cpp_string *, size_t, | |
| 744 cpp_string *, enum cpp_ttype); | |
| 745 | |
| 746 /* Convert a host character constant to the execution character set. */ | |
| 747 extern cppchar_t cpp_host_to_exec_charset (cpp_reader *, cppchar_t); | |
| 748 | |
| 749 /* Used to register macros and assertions, perhaps from the command line. | |
| 750 The text is the same as the command line argument. */ | |
| 751 extern void cpp_define (cpp_reader *, const char *); | |
| 752 extern void cpp_define_formatted (cpp_reader *pfile, | |
| 753 const char *fmt, ...) ATTRIBUTE_PRINTF_2; | |
| 754 extern void cpp_assert (cpp_reader *, const char *); | |
| 755 extern void cpp_undef (cpp_reader *, const char *); | |
| 756 extern void cpp_unassert (cpp_reader *, const char *); | |
| 757 | |
| 758 extern cpp_macro *cpp_push_definition (cpp_reader *, const char *); | |
| 759 extern void cpp_pop_definition (cpp_reader *, const char *, cpp_macro *); | |
| 760 | |
| 761 /* Undefine all macros and assertions. */ | |
| 762 extern void cpp_undef_all (cpp_reader *); | |
| 763 | |
| 764 extern cpp_buffer *cpp_push_buffer (cpp_reader *, const unsigned char *, | |
| 765 size_t, int); | |
| 766 extern int cpp_defined (cpp_reader *, const unsigned char *, int); | |
| 767 | |
| 768 /* A preprocessing number. Code assumes that any unused high bits of | |
| 769 the double integer are set to zero. */ | |
| 770 typedef unsigned HOST_WIDE_INT cpp_num_part; | |
| 771 typedef struct cpp_num cpp_num; | |
| 772 struct cpp_num | |
| 773 { | |
| 774 cpp_num_part high; | |
| 775 cpp_num_part low; | |
| 776 bool unsignedp; /* True if value should be treated as unsigned. */ | |
| 777 bool overflow; /* True if the most recent calculation overflowed. */ | |
| 778 }; | |
| 779 | |
| 780 /* cpplib provides two interfaces for interpretation of preprocessing | |
| 781 numbers. | |
| 782 | |
| 783 cpp_classify_number categorizes numeric constants according to | |
| 784 their field (integer, floating point, or invalid), radix (decimal, | |
| 785 octal, hexadecimal), and type suffixes. */ | |
| 786 | |
| 787 #define CPP_N_CATEGORY 0x000F | |
| 788 #define CPP_N_INVALID 0x0000 | |
| 789 #define CPP_N_INTEGER 0x0001 | |
| 790 #define CPP_N_FLOATING 0x0002 | |
| 791 | |
| 792 #define CPP_N_WIDTH 0x00F0 | |
| 793 #define CPP_N_SMALL 0x0010 /* int, float, shrot _Fract/Accum */ | |
| 794 #define CPP_N_MEDIUM 0x0020 /* long, double, long _Fract/_Accum. */ | |
| 795 #define CPP_N_LARGE 0x0040 /* long long, long double, | |
| 796 long long _Fract/Accum. */ | |
| 797 | |
| 798 #define CPP_N_WIDTH_MD 0xF0000 /* machine defined. */ | |
| 799 #define CPP_N_MD_W 0x10000 | |
| 800 #define CPP_N_MD_Q 0x20000 | |
| 801 | |
| 802 #define CPP_N_RADIX 0x0F00 | |
| 803 #define CPP_N_DECIMAL 0x0100 | |
| 804 #define CPP_N_HEX 0x0200 | |
| 805 #define CPP_N_OCTAL 0x0400 | |
| 806 #define CPP_N_BINARY 0x0800 | |
| 807 | |
| 808 #define CPP_N_UNSIGNED 0x1000 /* Properties. */ | |
| 809 #define CPP_N_IMAGINARY 0x2000 | |
| 810 #define CPP_N_DFLOAT 0x4000 | |
|
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parents:
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diff
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811 #define CPP_N_DEFAULT 0x8000 |
| 0 | 812 |
| 813 #define CPP_N_FRACT 0x100000 /* Fract types. */ | |
| 814 #define CPP_N_ACCUM 0x200000 /* Accum types. */ | |
| 815 | |
| 816 /* Classify a CPP_NUMBER token. The return value is a combination of | |
| 817 the flags from the above sets. */ | |
| 818 extern unsigned cpp_classify_number (cpp_reader *, const cpp_token *); | |
| 819 | |
| 820 /* Evaluate a token classified as category CPP_N_INTEGER. */ | |
| 821 extern cpp_num cpp_interpret_integer (cpp_reader *, const cpp_token *, | |
| 822 unsigned int type); | |
| 823 | |
| 824 /* Sign extend a number, with PRECISION significant bits and all | |
| 825 others assumed clear, to fill out a cpp_num structure. */ | |
| 826 cpp_num cpp_num_sign_extend (cpp_num, size_t); | |
| 827 | |
| 828 /* Diagnostic levels. To get a diagnostic without associating a | |
| 829 position in the translation unit with it, use cpp_error_with_line | |
| 830 with a line number of zero. */ | |
| 831 | |
| 832 /* Warning, an error with -Werror. */ | |
| 833 #define CPP_DL_WARNING 0x00 | |
| 834 /* Same as CPP_DL_WARNING, except it is not suppressed in system headers. */ | |
| 835 #define CPP_DL_WARNING_SYSHDR 0x01 | |
| 836 /* Warning, an error with -pedantic-errors or -Werror. */ | |
| 837 #define CPP_DL_PEDWARN 0x02 | |
| 838 /* An error. */ | |
| 839 #define CPP_DL_ERROR 0x03 | |
| 840 /* An internal consistency check failed. Prints "internal error: ", | |
| 841 otherwise the same as CPP_DL_ERROR. */ | |
| 842 #define CPP_DL_ICE 0x04 | |
|
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parents:
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diff
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843 /* An informative note following a warning. */ |
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77e2b8dfacca
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parents:
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844 #define CPP_DL_NOTE 0x05 |
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parents:
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diff
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845 /* A fatal error. */ |
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parents:
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846 #define CPP_DL_FATAL 0x06 |
| 0 | 847 |
| 848 /* Output a diagnostic of some kind. */ | |
|
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849 extern bool cpp_error (cpp_reader *, int, const char *msgid, ...) |
| 0 | 850 ATTRIBUTE_PRINTF_3; |
| 851 | |
| 852 /* Output a diagnostic with "MSGID: " preceding the | |
| 853 error string of errno. No location is printed. */ | |
|
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854 extern bool cpp_errno (cpp_reader *, int, const char *msgid); |
| 0 | 855 |
| 856 /* Same as cpp_error, except additionally specifies a position as a | |
| 857 (translation unit) physical line and physical column. If the line is | |
| 858 zero, then no location is printed. */ | |
|
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859 extern bool cpp_error_with_line (cpp_reader *, int, source_location, unsigned, |
| 0 | 860 const char *msgid, ...) ATTRIBUTE_PRINTF_5; |
| 861 | |
| 862 /* In lex.c */ | |
| 863 extern int cpp_ideq (const cpp_token *, const char *); | |
| 864 extern void cpp_output_line (cpp_reader *, FILE *); | |
| 865 extern unsigned char *cpp_output_line_to_string (cpp_reader *, | |
| 866 const unsigned char *); | |
| 867 extern void cpp_output_token (const cpp_token *, FILE *); | |
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868 extern const char *cpp_type2name (enum cpp_ttype, unsigned char flags); |
| 0 | 869 /* Returns the value of an escape sequence, truncated to the correct |
| 870 target precision. PSTR points to the input pointer, which is just | |
| 871 after the backslash. LIMIT is how much text we have. WIDE is true | |
| 872 if the escape sequence is part of a wide character constant or | |
| 873 string literal. Handles all relevant diagnostics. */ | |
| 874 extern cppchar_t cpp_parse_escape (cpp_reader *, const unsigned char ** pstr, | |
| 875 const unsigned char *limit, int wide); | |
| 876 | |
| 877 /* Structure used to hold a comment block at a given location in the | |
| 878 source code. */ | |
| 879 | |
| 880 typedef struct | |
| 881 { | |
| 882 /* Text of the comment including the terminators. */ | |
| 883 char *comment; | |
| 884 | |
| 885 /* source location for the given comment. */ | |
| 886 source_location sloc; | |
| 887 } cpp_comment; | |
| 888 | |
| 889 /* Structure holding all comments for a given cpp_reader. */ | |
| 890 | |
| 891 typedef struct | |
| 892 { | |
| 893 /* table of comment entries. */ | |
| 894 cpp_comment *entries; | |
| 895 | |
| 896 /* number of actual entries entered in the table. */ | |
| 897 int count; | |
| 898 | |
| 899 /* number of entries allocated currently. */ | |
| 900 int allocated; | |
| 901 } cpp_comment_table; | |
| 902 | |
| 903 /* Returns the table of comments encountered by the preprocessor. This | |
| 904 table is only populated when pfile->state.save_comments is true. */ | |
| 905 extern cpp_comment_table *cpp_get_comments (cpp_reader *); | |
| 906 | |
| 907 /* In hash.c */ | |
| 908 | |
| 909 /* Lookup an identifier in the hashtable. Puts the identifier in the | |
| 910 table if it is not already there. */ | |
| 911 extern cpp_hashnode *cpp_lookup (cpp_reader *, const unsigned char *, | |
| 912 unsigned int); | |
| 913 | |
| 914 typedef int (*cpp_cb) (cpp_reader *, cpp_hashnode *, void *); | |
| 915 extern void cpp_forall_identifiers (cpp_reader *, cpp_cb, void *); | |
| 916 | |
| 917 /* In macro.c */ | |
| 918 extern void cpp_scan_nooutput (cpp_reader *); | |
| 919 extern int cpp_sys_macro_p (cpp_reader *); | |
| 920 extern unsigned char *cpp_quote_string (unsigned char *, const unsigned char *, | |
| 921 unsigned int); | |
| 922 | |
| 923 /* In files.c */ | |
| 924 extern bool cpp_included (cpp_reader *, const char *); | |
| 925 extern bool cpp_included_before (cpp_reader *, const char *, source_location); | |
| 926 extern void cpp_make_system_header (cpp_reader *, int, int); | |
| 927 extern bool cpp_push_include (cpp_reader *, const char *); | |
| 928 extern void cpp_change_file (cpp_reader *, enum lc_reason, const char *); | |
| 929 extern const char *cpp_get_path (struct _cpp_file *); | |
| 930 extern cpp_dir *cpp_get_dir (struct _cpp_file *); | |
| 931 extern cpp_buffer *cpp_get_buffer (cpp_reader *); | |
| 932 extern struct _cpp_file *cpp_get_file (cpp_buffer *); | |
| 933 extern cpp_buffer *cpp_get_prev (cpp_buffer *); | |
| 934 extern void cpp_clear_file_cache (cpp_reader *); | |
| 935 | |
| 936 /* In pch.c */ | |
| 937 struct save_macro_data; | |
| 938 extern int cpp_save_state (cpp_reader *, FILE *); | |
| 939 extern int cpp_write_pch_deps (cpp_reader *, FILE *); | |
| 940 extern int cpp_write_pch_state (cpp_reader *, FILE *); | |
| 941 extern int cpp_valid_state (cpp_reader *, const char *, int); | |
| 942 extern void cpp_prepare_state (cpp_reader *, struct save_macro_data **); | |
| 943 extern int cpp_read_state (cpp_reader *, const char *, FILE *, | |
| 944 struct save_macro_data *); | |
| 945 | |
| 946 #endif /* ! LIBCPP_CPPLIB_H */ |